When a car owner is faced with problems related to the car's battery, he should not hesitate. How to flush a car battery correctly? The consequences of a defective battery are the engine's failure to operate at a crucial moment.
This creates a situation that is dangerous for the driver of a faulty car, and other people involved in the movement.
The battery needs to be replaced or repaired urgently. One of the recovery methods is flushing it.
To flush the battery, you need a hydrometer, a rubber bulb, a load plug, and a container to drain the electrolyte into.
The need for flushing is determined by the following characteristics:
1. The electrolyte changed color and turned brownish.
2. During charging, the battery is quickly charged to a full charge, then quickly discharged during operation. This means the battery capacity has changed and decreased. Possible reasons these are salt deposits or self-discharge of the battery. Due to contamination of the battery, the insulation resistance of the cover, current leakage and self-discharge of the battery have changed.
3. When checking the terminal voltage with the device, a “0” or a number corresponding to it is displayed. This means that the sludge fell to the bottom of the layer of the plates, which is active, due to which the overlapping of the battery plates and a short circuit occurred.
How to flush a car battery correctly - flushing is, of course, not a panacea for the problems listed above, but if you have free time and you are limited in money, you can completely extend the life of the battery on your own.
The battery should be flushed after preliminary discharging of the battery. Using a rubber bulb, you need to suck out the electrolyte, then pour it into a glass container (to be disposed of later). Replace electrolyte with disc water. The process should be repeated until the jars contain only distilled water without impurities. The battery with water should be left for a couple of hours. Then you need to drain the water with a rubber bulb. The electrolyte should be added to the jars, bringing the density to a value of 1.2.
Charge the battery. Charging should be carried out until a constant battery voltage and electrolyte density are established. Then bring the density to normal (this is determined by the temperature that the surrounding air has).
The most difficult case is the short-circuiting of the plates with crumbling sludge. To avoid aggravating the situation, the battery should not be shaken or turned upside down so that the sludge does not rise from the bottom and the battery plates are not covered. How to flush a car battery correctly - this flushing is done during the overhaul Battery.
The short-circuited "jar" must be cut out, then it must be removed from the body, using a rubber bulb for this from the body. Then several times you need to rinse the jar using distilled water. Replace the plate sections and restore the battery electrical circuit. Seal the lid with mastic.
To ensure the safety of working with acidic electrolyte, you should wear goggles, a protective apron and rubber gloves. If electrolyte accidentally gets on the surface of your skin, you should rinse it out with plenty of water. To reduce the density of the electrolyte, distilled water should be added to increase the electrolyte, but no acid should be added.
We told you how to flush a car battery correctly - try to restore the battery yourself.
Modern cars cannot do without rechargeable batteries. This important element design for several decades has not undergone significant changes. And all modifications are aimed at increasing the service life and reducing the size of the device. But in order for even an old battery to last as long as possible, you need to know about the rules for caring for the battery. In this case, the device will last about 5-7 years.
Varieties of battery
All types of batteries are miniature power plants that power the electrical system road transport... Despite the many modifications, they can be divided into 2 main groups:
Regardless of the type of battery, you need to know a number of rules for the care of such equipment. This will help increase its service life and ensure uninterrupted and high-quality operation.
Surface cleaning
It is imperative to check the cleanliness of the device. Its surface needs to be cleaned from time to time. For this purpose, you can use a 10% solution of ammonia or soda ash.
A soft and clean cloth should be soaked in the substance, then gently wipe the battery with it. This procedure will help remove dust particles, residues of oil mixtures and other types of contamination.
You should also pay attention to the terminals. Elements should not be oxidized. A similar problem can be identified by a dense layer of scale, which negatively affects the contact of the battery with the machine.
You can correct the situation by cleaning the battery terminals with ammonia. After applying the product, scale can be easily removed with ordinary sandpaper.
If there are doubts about the effectiveness of this method, then you can use special preparations that allow you to flush the battery. You should also check the cleanliness of the pins from time to time. They can be cleaned together with the terminals.
It should be remembered that on the surface of the case battery drops of diesel fuel, washer, oil or gasoline should never get in. Such chemical compounds can not only damage the plastic from which the battery is made, but also cause a fire. If the substance does get on the battery, then it must be wiped off with a dry cloth as soon as possible.
Storage and fixation
If the vehicle will not be used for a long time, then it is necessary to provide the battery with optimal storage conditions in advance. The device must be disconnected and taken out of the car, as "sub-zero" temperatures can render it unusable. It is advisable to store the battery in a sufficiently warm and dry place. But you do not need to put it next to heat sources, otherwise the device will quickly discharge.
Deep discharge of the device can negatively affect its condition. To prevent problems, it is advisable to recharge the battery every 3-4 months. So, the device will last as long as possible.
For the safest and most reliable use of the device, it must be properly secured. To check the fixation, you can try to move the battery with your hands, turning off the motor before that.
It should be borne in mind that if the terminals are incorrectly fastened, the charging process may be disrupted. So, a curved plane and poorly installed terminals often become the reasons that the machine constantly stalls. This is reflected not only in the convenience, but also in the safety of the operation of road transport.
Care features
The charge level in the car battery must be regularly checked. To do this, you can use a voltmeter. But you need to check the readings with the engine off. If the voltage drops noticeably, then the battery needs to be recharged.
In winter, caring for the car's battery must be especially careful. Do not forget that often the cause of problems with activating a car is low-quality fuel or oil, as well as nozzles and candles. But repeated attempts to start the engine can lead to a deep discharge of the battery.
It is necessary to increase the load on the battery gradually. Also, after jamming a car, it is imperative to turn off all electrical equipment.
When starting the engine, you do not need to immediately turn on the radio tape recorder and the light - the battery must run for at least 5-7 minutes. In winter, this period should be about 20 minutes.
Maintenance-free batteries require systematic cleaning of the gas relief valve. In addition, when charging this type of battery, all its openings must be closed.
Serviced models require electrolyte level adjustment, especially in hot weather. When the level of the substance in the battery drops, you need to top up with distilled water.
Charging rules
With regular use of the battery, it is automatically recharged by the generator, but during long periods of inactivity, it needs additional recharging. It is also necessary in case of problems with the generator.
Lead-acid batteries should only be charged with direct current. For this purpose, rectifiers are used that regulate the charging current and voltage. The configuration of the charger must also be considered. For example, to charge a 12 V battery, the supplied voltage must be no more than 16 V, otherwise it will be problematic to achieve a full charge of the device.
The battery is charged according to the following scheme:
Car battery maintenance is not very difficult. But if you follow a few simple rules, then you can significantly increase their service life.
The washed battery must be filled with an ammonia solution of Trilon B (ETHYLENE DIAMINE TETRA SODIUM ACETETIC), which contains 2% Trilon B and 5% ammonia. Only what kind of miracle chemical it is, I do not know, so I decided to use a solution of acetic acid with baking soda.
The battery was still not a pity, so I can say so for the test.
Desulfation time with solution is 40-60 minutes.
Desulfation is accompanied by gas evolution and fine splashes appear on the surface of the solution.
When gas evolution stops, this will indicate the completion of the desulfation process. In case of strong sulfation, the treatment should be repeated.
An important point: Do not turn the battery over to drain liquid, water and acid from it upside down, as this may cause a short circuit in one of the jars.
Drain the water from the battery correctly - the most difficult thing in this method. But, unfortunately, I did not find any other way to drain, maybe you can use some kind of pump for pumping out, but unfortunately I did not have it.
Therefore, he drained the liquid quietly turning it on its side on the weight and down.
After treatment with the solution, the battery must be rinsed 2-3 times with distilled water and then filled with electrolyte of standard density. Filling the battery with electrolyte, it is charged to the nominal capacity.
Done, the battery will last you up to 6 months.
Well, what happened to the test battery. An attempt to revive the battery was at the end of April, before the cold weather it still served, after which it went to the collection point as recyclable materials.
Hence the conclusion - it will not be possible to restore the battery capacity by more than 25-50%.
There is also an electrochemical way to restore a car battery about read
Alexander Borisov, Samara
Proper battery care is important point during the operation of the car. Ignoring it leads to the fact that the life of the battery is significantly reduced, its capacity decreases, or even complete failure. Finding yourself in such a situation (especially in winter) is very unpleasant for any driver. Therefore, you need to constantly take care of maintaining your battery in working order.
In order for the battery to last longer, it is necessary to take proper care of it. To do this, you must clearly know all the main characteristics of your battery (storage battery). The rules for caring for her will depend on this.
Therefore, every car owner should know:- Battery capacity. This characteristic allows you to determine how long the battery will be able to provide the amperage, which is indicated in its characteristics. It is measured in ampere-hours. Thus, if the manufacturer specifies a battery capacity of 40 ampere-hours, then this means that it can supply 1 ampere current for 40 hours, 2 amperes for 20 hours, etc.
- Standby power. This characteristic shows how long the battery can operate in the event of a generator malfunction. In other words, it is an indication of how long the battery will be able to supply 25 amps of current.
- Starting power. It shows the maximum power that the battery is capable of delivering for 30 seconds at a temperature of -18º. The resulting value will help to conclude about the quality of the battery in the cold season.
In addition to the parameters listed above, it is important to know what type of battery is.
Modern devices are divided into 2 types:- unattended;
- served.
Batteries that are not serviced are not provided with such routine maintenance care, as an electrolyte replacement and monitoring of its level. Serviced batteries, on the contrary, have special plugs with which you can carry out the above manipulations.
With regular car battery maintenance, you can ensure uninterrupted operation for up to 7 years. Considering the fact that buying a new device can result in a fairly significant amount, knowing the principles of caring for a battery is also a way to save your money.
Car battery care involves:- Keeping the battery clean. Contamination of its surface is unacceptable. Especially carefully you need to monitor the cleanliness of the battery terminals. To do this, they must be periodically cleaned from plaque, which is formed as a result of oxidation. The battery terminals can be cleaned with sandpaper and ammonia. In maintenance-free batteries, you should always make sure that the gas outlet is not clogged, otherwise the battery housing may simply burst from overpressure. Also, do not allow gasoline, oil or washer to get on the surface of the battery. This could lead to fire. Therefore, if they get on the surface of the battery, it should be cleaned immediately.
- Compliance with storage rules. If due to some circumstances the car is not used for a long time, it is better to remove the battery. In cold weather, it must be transferred to a heated room with low level humidity. As a last resort, you can simply disconnect the terminals and leave the battery in the car. To keep the battery in good working order, it must be recharged during extended periods of non-use. This should be done at least once every 3 months.
- Reliable fixation of the battery in the car body. He must stand in his place absolutely motionless. Pay particular attention to the fixing of the terminals. If they are not secured enough, they can fly off while driving and the car will stall at the most inopportune moment.
- Regularly check the electrolyte level. This should be done when using a serviceable battery. The level should be no more and no less than the norm. An insufficient amount of electrolyte leads to a drop in battery power, especially in the cold season. A high level can cause increased pressure inside the battery case during charging.
In addition to the points listed above, it is important correct operation battery.
The most common mistake drivers make are numerous unsuccessful attempts to start the engine. In this case, the battery may become completely unusable. It is important to keep in mind that problems with starting the engine may be completely unrelated to the battery.
Flushing the battery is one way to restore battery performance.
It is necessary in the following cases:- the electrolyte has turned brown;
- The battery is quickly charged to the maximum and discharged just as quickly;
- the voltage at the terminals is zero.
Many drivers do not know how to flush the battery properly.
To do this, you should:- completely discharge the battery;
- suck the electrolyte out of it with a rubber bulb;
- pour distilled water instead of electrolyte;
- suck the contents back from the battery.
This process must be carried out until the liquid in the battery becomes clean, free of any impurities. After that, the battery is left with water for several hours. Then the water is drained and the electrolyte is again poured, bringing its density to 1.2. The battery can then be charged again.
Flushing is not a 100% guarantee that the battery can be restored. However, it can be a good solution if you are on a tight budget and have free time.
The rechargeable battery is one of the main devices of a car, which tends to wear out during operation. Therefore, from time to time, car owners have to change the battery due to the fact that it cannot perform its functions. You can find out more about how to restore a car battery at home below.
[Hide]
Recovery by low current
How to bring back to life and revive your car battery? This device provides continuous transmission of current to power electrical equipment vehicle... Accordingly, without this device, the normal operation of the devices will be impossible, especially since over time the battery can no longer hold the nominal charge required for power supply. Not all batteries that work poorly need to be thrown away - you can try to reanimate the old battery. This will avoid unexpected financial costs.
The device and designation of the components of the battery structure
If we talk about acid-base batteries, then the structure consists of several positive and negative lead plates in sulfuric acid. Today, devices of this type are the most common among cars used in the countries of the former USSR. Despite its prevalence, battery life is lower.
Do-it-yourself car battery restoration can be carried out using the technology of repeated recharging. In this case, a low current must be used. The charging procedure with the charger-recovery device must be carried out intermittently. Starting from the first charging of the device to the last, the voltage level that is present in the battery will gradually increase. As a result, the device should stop discharging.
The charger and recovery device must work with pauses, this will allow the potentials of the electrodes, which are in the plates, to equalize. The recovery procedure itself is safe for electrodes. The use of a charging recovery device with pauses will ensure the transition of the densest electrolyte from the plates to the space between the electrodes.
Unscrewing the caps of the battery cans As a result of using the partial discharge technique, the density of the electrolyte is increased. The owner of the car is required to wait for the moment at which the voltage will correspond to 2.5 volts, and the density parameter will correspond to the nominal one. And in this case, we must not forget that the car battery needs a break, so the charging recovery device must be periodically disconnected. For full resuscitation, the cyclic recovery procedure must be repeated 8 times. It should be borne in mind that the indicator of the current used should be 10 times less than the capacity of the charged battery.
Replacing the electrolyte
The battery can be restored by replacing the electrolyte, this method has proven its effectiveness in practice. To replace the electrolyte, the liquid from the structure must be completely drained, after which the system must be flushed with warm or hot water. After rinsing, you will need a few tablespoons of regular baking soda - 3 tablespoons are diluted with 100 ml of water, while it is advisable to use a distillate.
Pouring soda solution into the battery The mixed solution must be boiled and poured into the structure instead of the drained electrolyte, then leave the battery for 20-30 minutes. Then drain the liquid from the device, and repeat the procedure three more times. After the last cycle, rinse the structure again with hot water, preferably several times.
The method is relevant for many types of batteries. After the structure is washed, you need to pour a new electrolyte into it and put the battery on charge. The charger must be turned on for 24 hours.
Then the device is charged cyclically - 6 hours daily for 10 days. At the same time, we note that the charger itself should have such properties - the voltage parameter should be no more than 16 volts and not less than 14. As for the current strength, the indicator should be no more than 10 amperes.
Reverse charging
How to recover car battery? The reverse charging method can be used for this. It is quite possible to carry out the procedure at home, but this will require a sufficiently powerful current source, for example, a welding machine. The device that you will use must have a voltage of at least 20 volts, while its current must be at least 80 amperes. After removing the equipment, it is necessary to unscrew the plugs on top of the battery structure and perform the reverse charging procedure.
To accomplish this task, you must connect the positive output of the charging equipment to the negative terminal of the battery. The negative output of the charger is connected to the positive. If everything is done correctly, the procedure will increase the battery life by several years.
Note that the car battery may boil while charging, so don't worry. The procedure for charging the device should be carried out exactly 30 minutes, no more and no less. After that, the electrolyte must be drained from the structure, and the device itself must be rinsed with hot water. When all the steps have been completed, a new electrolyte can be poured into the structure. Upon completion of these actions, the battery will need to be connected to a conventional charger (the current parameter of which should not exceed 15 amperes) and charge the device for the next 24 hours.
Charge recovery in distilled water
If you are not sure how to restore the battery and which method to use for this, we offer another option. Using it, the device can be restored to work in less than 60 minutes. If the car battery is completely discharged, it will need to be charged in advance. The old electrolyte must be completely drained from the charged battery by first unscrewing the plugs on the cover, after which the structure can be rinsed with water. As in the previous cases, it is better to use a distillate for this.
After the battery is charged and flushed, a special ammonia-type Trilon B solution should be poured into the structure. The solution contains 2% trilon and 5% ammonia. With the help of a liquid, a desulfation procedure is carried out, which takes no more than an hour. As the battery recovers, it will be possible to notice the release of gas from its structure, which is also accompanied by minor splashes that will appear on the surface. These gases are harmless to the body and human health, but it is better to place the battery in a ventilated room. When the system stops emitting gas, this will indicate the termination of the desulfation process.
When the steps are completed, the structure must be rinsed with distilled water - rinsing is carried out several times. After flushing, an electrolyte of the appropriate density must be poured into the device. The device must be charged again and after that it can be considered restored. In general, the procedure for charging and restoring the battery's performance is not complicated, even an inexperienced car enthusiast can handle it.
Not all modern batteries are recoverable. Sometimes the device can be reanimated for a day, several days or for a week, and sometimes restoration allows the battery to work for several years. Much depends on how the battery was used, in what conditions, how many electrical appliances were connected to it throughout its entire service life. The conditions of use play an important role - if the device was often used in a discharged state, it is likely that it will not be possible to restore it.
Need to clarify the point on use charger... The charger must be in good working order, otherwise its use will damage the battery. Our resource has already written about and the use of special storage devices. You can find detailed recommendations on this issue in.
